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5.2y + 5.2y + y - 1 + y - 1

We can factor this into 2(5.2y) + 2(y - 1), which can be distributed to 10.4y + 2y - 2 = 12.4y - 2.

Simply adding also works, 10.4y + 2y - 2 = 12.4y - 2.

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Q: 5.2y plus 5.2y plus y-1 plus y-1 equals?
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